<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>相对开始时间</title>
    <script src="../RequestAnimationFrame.js"></script>
    <script src="../Tween.js"></script>
</head>
<body>
    <div id="target1" style="position:absolute; top: 100px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
        One
    </div>
    
    <div id="target2" style="position:absolute; top: 300px; left: 100px; width: 100px; height: 100px; background: #a0dde9; padding: 1em;">
        Two
    </div>
<script src="./index.js"></script>
</body>
</html>